This drawing shows the Ericsson battery of two guns of 12 – inch caliber.
The advance of the Gunboats up the river to New Berne, N. Carolina. Passing the Barricade
Civil War and Reconstruction (1850-1877)
A National Archives Foundation educational resource using primary sources from the National Archives

View the full document here: https://docsteach.org/document/side-elevation-of-the-uss-monitor/
This drawing shows the Ericsson battery of two guns of 12 – inch caliber.
This primary source comes from the Records of the Bureau of Ships.
National Archives Identifier: 783889
Full Citation: Side Elevation of the U.S.S. Monitor; 1861; Records of the Bureau of Ships, Record Group 19. [Online Version, https://docsteach.org/document/side-elevation-of-the-uss-monitor/, March 30, 2026]
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